Mobile Internet Healthcare and Three Disciplines Co-management Intervention for Overweight/Obese Prediabetic Patients

Sample size estimation The sample size was calculated based on the primary clinical endpoint and previous relevant clinical studies, which met 90% detection efficacy, with an a-value of 0.05 on both sides and a follow-up rate of more than 80%. 100 overweight/obese prediabetic patients were enrolled in the Department of Endocrinology and Diabetes The First Affiliated Hospital of Xiamen University. Recruitment: The researcher informs the patient about the study; If patients agree to participate in the study, they will need to sign an informed consent form with their doctor. The study doctor will ask and record the medical history, do physical examination, such as measuring height, weight, waist circumference, blood pressure, laboratory tests, finally determine the enrollment conditions and complete the randomized grouping. A total of 140 participants were recruited, 100 participants were finally enrolled and randomly divided into control group and intervention group according to 1:1. Management mode: Informed consent was signed at the first admission, and the researcher and patients were fully communicated, so that patients could realize the importance of out-of-hospital lifestyle management in reversing prediabetes. Dietitians provide detailed one-to-one guidance to each patient, using food models, pictures and other tools to guide, including food diary recording , food intake estimation, food exchange serving, nutrition label reading. Weight managers guide patients to proficiently use mobile healthcare apps, increase their attention to online communication, increase the frequency of use of online platforms for out-of-hospital care, real-time upload diet, exercise and weight monitoring indicators, respond to patient consultation in time so as to improve interaction and compliance with patients. To give full play to the effect of service management, researchers will also remind and urge patients to use apps through telephone, wechat and other ways to improve compliance. Quality control: 1. Unified training of investigators, including program implementation, questionnaire survey, etc., to ensure unified methods in the investigation process. 2. All researcher have undergone unified training, including diagnostic standards, evaluation guidance, record norms, etc. 3. Epidata was used to build the database, and all data were entered in parallel by two people, with automatic and manual double verification.